How many Races are there?

I can think of:
White - Which include the subraces of Germanic, Celtic, Jewish, Mediterranean, Slavic, Cushitic, Arabic, Romani Berber and Indo-Aryan.
Mongoloid - Which includes the subraces of Far Eastern, Turkic, Polynesian, Micronesian, Eskimos and Austroneasin.
Black - Which includes the subraces of Bantu,... show more I can think of:

Answers

Ask 10 anthropologists and you will get 11 different answers. Because of advances in transportation, "race" has become all but meaningless. It is only a few groups that have not interbred with others. You MIGHT be able to find a pure Ainu, for example.

We are all a product of our environment and best adapted to where our ancestors adapted the longest. Whites are White cuz Europe tend to be colder, cloudier, windier, etc. Blacks are Black cuz Sub-Saharan Africa tend to be hot AF, etc.

"In 1950, the United Nations Educational, Scientific and Cultural Organization (UNESCO) issued a statement asserting that all humans belong to the same species and that “race” is not a biological reality but a myth. This was a summary of the findings of an international panel of anthropologists, geneticists, sociologists, and psychologists."
Link - http://www.topinfopost.com/2014/11/11/th...

All in all, the United Nations convened four such panels, in 1950, 1951, 1964 and 1967. Go look that up.
All of them confirmed what Science already proved: The only race is the Human race.

Modern science only confirms that even further:

'DNA evidence indicates Homo sapiens evolved sooner than thought — at least 260000 years ago'
'Europeans were dark-skinned from 40,000 until 8,000 years ago'
'Europeans were once black: study'
'Ancient European Had Blue Eyes And Dark Skin'
'Original Europeans Were Darker Skinned Africans'
'Europeans were dark-skinned until 8,000 years ago'
'Early Europeans were dark-skinned, research shows'
'Oldest European genome illuminates diverse ancestry'
'Europeans did not inherit pale skins from Neanderthals'
'Black Africans Were The First Europeans, Say Scientists'
'Scientists Reveal the First European Faces Were Not 'White'
'The First (Black) Europeans: The Original Africans Of Europe'
'European Gene for Light Skin Evolved Much Later Than Thought'
'DNA Tests Show Ancient European Hunters Were Dark Skinned'
'White Skin Developed in Europe Only As Recently as 8000 Years Ago'

You're too old to go around playing make-believe and believing in debunked fairy tales like race.
Realize it, smarten up and run along.